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authorHiroshi DOYU <hdoyu@nvidia.com>2012-01-26 19:40:57 +0100
committerJoerg Roedel <joerg.roedel@amd.com>2012-07-11 12:25:57 +0200
commit23349902edec4d3d932bca1bb99261477139a36a (patch)
tree96eb09c80fd527125d8dd10f31a5c22f1966e57a /drivers/iommu/tegra-smmu.c
parent4be6a290b87af9136b482d5c22574f070ffdbdb8 (diff)
downloadop-kernel-dev-23349902edec4d3d932bca1bb99261477139a36a.zip
op-kernel-dev-23349902edec4d3d932bca1bb99261477139a36a.tar.gz
iommu/tegra: Implement DOMAIN_ATTR_GEOMETRY attribute
Implement the attribute for the Tegra IOMMU drivers. Signed-off-by: Hiroshi DOYU <hdoyu@nvidia.com> Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Diffstat (limited to 'drivers/iommu/tegra-smmu.c')
-rw-r--r--drivers/iommu/tegra-smmu.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/iommu/tegra-smmu.c b/drivers/iommu/tegra-smmu.c
index ecd6790..96e73d5 100644
--- a/drivers/iommu/tegra-smmu.c
+++ b/drivers/iommu/tegra-smmu.c
@@ -807,6 +807,11 @@ found:
spin_unlock_irqrestore(&as->lock, flags);
domain->priv = as;
+ domain->geometry.aperture_start = smmu->iovmm_base;
+ domain->geometry.aperture_end = smmu->iovmm_base +
+ smmu->page_count * SMMU_PAGE_SIZE - 1;
+ domain->geometry.force_aperture = true;
+
dev_dbg(smmu->dev, "smmu_as@%p\n", as);
return 0;
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